@charset "UTF-8";

html {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
  font-size: 62.5%;
  width: 100%;
}

*,
*::after,
*::before {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
  font-size: inherit;
  line-height: inherit;
}

body {
  background-color: #fff;
  color: #303030;
  font-family: "Shippori Mincho", serif;
  font-weight: 500;
  font-style: normal;
  font-size: 1.6rem;
  line-height: 1.5;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  word-wrap: break-word;
}

.en {
  font-family: "Montserrat", sans-serif;
}

main {
  display: block;
  width: 100%;
  z-index: 1;
  overflow-x: hidden;
}

ul,
li {
  list-style-type: none;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: #303030;
  transition: opacity .6s ease;
}

img {
  vertical-align: bottom;
  max-width: 100%;
  height: auto;
}

.sp-only {
  display: none;
}

/* header --------------------------------------------*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 999;
  background: transparent;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-width {
  max-width: 1240px;
  padding: 0 20px;
  margin: 0 auto;
}

.header_inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 80px;
}

.header_logo {
  z-index: 2;
  max-width: 150px;
  width: 100%;
}

.header_nav {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav_list {
  display: flex;
  align-items: center;
  gap: 3rem;
  height: 100%;
}

.nav_item {
  height: 100%;
}

.header_link {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  transition: all 0.3s ease;
}

.hamburger,
.nav_sp {
  display: none;
}

/* fv -------------------------------------------------*/
.fv {
  position: relative;
  background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url(../images/fv.jpg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.fv-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 15rem 0;
}

.fv-head {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1rem;
}

.fv-ttl {
  font-size: 7rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 3.3rem;
  color: #fff;
}

.fv-txt {
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1.5;
  color: #fff;
}

.fv-btn {
  margin-top: 3rem;
}

.btn {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  text-decoration: none;
  color: #303030;
  font-size: 1.6rem;
  font-weight: 700;
  border-radius: 999px;
  width: 100%;
  height: 42px;
  max-width: 160px;
  background-color: transparent;
  border: 2px solid #303030;
  position: relative;
  box-sizing: border-box;
  transition: all 0.3s ease;
  margin: 0 auto;
}

.fv-btn .btn {
  color: #fff;
  border: 2px solid #fff;
  max-width: 200px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.16);
  margin: 0 auto 0 0;
}

.btn:hover {
  transform: scale(1.1, 1.1);
}

/*  top-heading--------------------------------------------------*/
.top-heading {
  padding: 10rem 0;
  text-align: center;
}

.top-heading h2 {
  color: #174c6e;
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 2rem;
  line-height: 1.3;
}

.heading-flex {
  display: flex;
  gap: 2.4rem;
  margin-top: 8rem;
}

.heading-item {
  width: calc((100% - 4.8rem)/3);
  background-color: #fff;
  padding: 1rem 1rem 3rem 1rem;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.16);
}

.heading-item h3 {
  color: #174c6e;
  font-size: 3rem;
  line-height: 1.3;
  font-size: 900;
  margin: 2rem 0 1rem;
}

.heading-btn {
  margin-top: 3rem;
}

/*  top-about-------------------------------------------------*/
.top-about {
  position: relative;
  background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url(../images/top-about.jpg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
  padding: 12rem 0;
}

.top-about h2 {
  font-size: 5rem;
  font-weight: 900;
  text-align: right;
  margin-bottom: 2rem;
  line-height: 1.3;
}

.top-about p {
  font-size: 2rem;
  font-weight: 900;
  text-align: right;
}

.top-about-btn {
  margin-top: 3rem;
}

.top-about-btn .btn {
  color: #fff;
  border: 2px solid #fff;
  max-width: 200px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.16);
  margin: 0 0 0 auto;
}

/*  top-course-------------------------------------------------*/
.top-course {
  padding: 10rem 0 5rem;
}

.course-flex {
  display: flex;
  gap: 4%;
}

.course-info {
  width: 30%;
}

.course-head {
  margin-bottom: 2rem;
}

.course-slider {
  width: 66%;
}

.course-slider .slick-list {
  margin: 0 -5px;
}

.course-slider .slick-slide {
  margin: 0 5px;
}

.course-slider .slick-track {
  display: flex;
}

.course-slider .slick-slide {
  height: auto !important;
}

.course-box {
  background-color: #f9f9f9;
}

.course-inner {
  padding: 2rem;
}

.course-ttl {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.course-btn {
  margin-top: 2rem;
}

/*  top-post-------------------------------------------------*/
.top-post {
  padding: 5rem 0;
}

.post-list {
  display: flex;
  gap: 2.4rem;
}

.post-item {
  width: calc((100% - 4.8rem)/3);
  display: flex;

}

.post-item a {
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, .15);
  display: flex;
  flex-direction: column;
  transition: all .25s;
}

.post-item a:hover {
  box-shadow: 0 0 30px 0 rgba(0, 0, 0, .15);
}

.post-inner {
  padding: 2rem 2.4rem 3rem 2.4rem;
}

.post-ttl {
  color: #174c6e;
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 2rem;
}

.post-link {
  margin-top: 2rem;
  font-size: 1.4rem;
  font-weight: 900;
  position: relative;
  display: inline-block;
  padding-right: 12px;
  line-height: 1;
}

.post-link:before {
  content: '';
  width: 6px;
  height: 6px;
  border: 0;
  border-top: solid 2px #333;
  border-right: solid 2px #333;
  transform: rotate(45deg);
  position: absolute;
  top: 4px;
  right: 0;
  margin: auto;
}

/*  footer-------------------------------------------------*/
.footer {
  background-color: #001c38;
  padding: 3.5rem 0 2rem;
  margin-top: 10rem;
}

.footer-flex {
  display: flex;
  align-items: center;
  gap: 10rem;
}

.footer-logo {
  width: 200px;
}

.footer-logo a:hover {
  opacity: .7;
}

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.sns-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background-color: #3580a4;
  width: 33px;
  height: 33px;
}

.sns-item a:hover {
  opacity: .7;
}

.sns-item a img {
  width: 18px;
}

.footer-list {
  display: flex;
  flex-flow: column wrap;
  max-height: 100px;
  gap: 1rem 5rem;
}

.footer-item a {
  color: #fff;
  font-size: 1.4rem;
}

.footer-item a:hover {
  opacity: .7;
}

.footer-copy {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.5;
  color: #fff;
  border-top: 1px solid rgba(255, 255, 255, .19);
  padding-top: 2rem;
  margin-top: 4rem
}

/*  page-------------------------------------------------*/
/*  price-------------------------------------------------*/
.page-fv {
  height: 430px;
  position: relative;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.page-price {
  background-image: url(../images/fv-price.jpg);
}

.page-beginner {
  background-image: url(../images/fv-beginner.jpg);
}
.page-fundiving {
  background-image: url(../images/fv-fundiving.jpg);
}
.page-faq {
  background-image: url(../images/fv-faq.jpg);
}
.page-sightseeing {
  background-image: url(../images/fv-sightseeing.jpg);
}
.page-restaurant {
  background-image: url(../images/fv-restaurant.jpg);
}
.page-souvenir {
  background-image: url(../images/fv-souvenir.jpg);
}
.page-about {
  background-image: url(../images/fv-about.jpg);
}
.price-content {
  margin: 10rem 0;
}

.price-ttl {
  font-size: 3rem;
  font-weight: 900;
  align-items: center;
  display: flex;
  color: #174c6e;
  margin-bottom: 3rem;
}

.price-ttl::before,
.price-ttl::after {
  background-color: #174c6e;
  content: "";
  flex-grow: 1;
  height: 1px;
}

.price-ttl::before {
  margin-right: 15px;
}

.price-ttl::after {
  margin-left: 15px;
}

.price-item {
  margin: 2rem 0;
  display: flex;
  align-items: center;
  flex-flow: row wrap;
  justify-content: space-between;
}

.price-left,
.price-right {
  flex: 0 1 auto;
  font-size: 1.8rem;
  font-weight: 900;
  color: #174c6e;
}

.price-right {
  text-align: right;
}

.price-right .small {
  font-size: 1.2rem;
}

.price-line {
  padding: 5px 15px;
  flex-grow: 2;
}

.price-line hr {
  border-width: 1px 0px 0px 0px;
  border-style: dotted;
  border-color: #174c6e;
}

/*  beginner-------------------------------------------------*/
.page {
  margin: 10rem 0;
}

.page-ttl {
  font-size: 3rem;
  font-weight: 900;
  border-bottom: 2px solid #174c6e;
  color: #174c6e;
  padding-bottom: 1rem;
  margin-bottom: 3rem;
}

.content-ttl {
  font-size: 2.4rem;
  font-weight: 900;
  color: #174c6e;
  margin: 8rem 0 1rem;
}

.schedule-list {
  margin: 5rem 0;
}

.schedule-item {
  position: relative;
  padding-bottom: 3rem;
}

.time-line {
  width: 4px;
  height: calc(100% + 15px);
  position: absolute;
  top: 0;
  left: 100px;
  transform: translateX(-50%);
  padding-top: 15px;
}

.time-line span {
  display: block;
  width: 100%;
  height: 100%;
  background: #174c6e;
}

.time-ball {
  position: absolute;
  background: #174c6e;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  left: 100px;
}

.schedule-item dl dt {
  position: absolute;
  font-size: 2rem;
  font-weight: 900;
}

.schedule-item dl dd {
  margin-left: 140px;
}

.schedule-item dl dd h3 {
  font-weight: 900;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.photo-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  margin: 3rem 0;
}

.photo-item {
  width: calc((100% - 7.2rem)/4);
}
.accordion {
  border-bottom: 1px solid #ccc;
}
.toggle-header {
  cursor: pointer;
}

.toggle-right {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.toggle-icon {
  transition: transform 0.3s ease;
  border-radius: 999px;
  text-align: center;
  font-weight: 900;
  background-color: #174c6e;
  width: 36px;
  height: 36px;
  line-height: 36px;
  color: #fff;
  font-size: 2.4rem;
}

.toggle-content {
  overflow: hidden;
  height: 0;
  transition: height 0.4s ease;
  will-change: height;
}

.faq-f {
  display: flex;
  padding: 2.8rem 5rem 2.8rem 0;
  gap: 2.4rem;
  font-size: 2rem;
  font-weight: 900;
  position: relative
}

.faq-a {
  display: flex;
  gap: 2.4rem;
  padding-bottom: 2.8rem;
}

.faq-a span {
  font-size: 2rem;
  font-weight: 900;
}
.faq-f span,
.faq-a span{
color: #174c6e;
}
.page-btn{
  margin-top:3rem;
}
.page-btn .btn{
  margin:0 auto 0 0;
  max-width: 180px;
}
/*  fun-diving-------------------------------------------------*/
.spot-flex{
  margin-top:5rem;
}
.spot-flex h3{
  font-size: 2rem;
  text-align: center;
}
/*  sightseeing-------------------------------------------------*/
.time-iwt{
  display: flex;
  gap:1.6rem;
}
.time-img{
  width: 200px;
}
.time-iwt p{
  flex:1;
}
/*  restaurant-------------------------------------------------*/
.menu-list{
  display: flex;
  flex-direction: column;
  gap:3rem;
  margin-top: 3rem;
}
.menu-item{
  display: flex;
  gap:3rem;
}
.menu-img{
  width: 30%;
}
.menu-info{
  width:calc(70% - 3rem);
}
.menu-head{
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
}
.menu-ttl,
.menu-price{
  font-size: 2rem;
  font-weight: 900;
}
.review-list{
  display: flex;
  gap:2.4rem;
  margin-top: 3rem;
}
.review-item{
  width: calc((100% - 7.2rem)/4);

}
.review-info{
  background-color: #f9f9f9;
  padding:2rem 2.4rem 2.4rem;
}
.review-star{
  display: flex;
  gap:0.5rem;
  margin-bottom: 2rem;
}
.star-img{
  width: 25px;
}
.restaurant-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    word-break: break-all;
    word-wrap: break-all;
    border-top: 1px solid #ccc;
    margin-top: 3rem;
}
.restaurant-table th,
.restaurant-table td {
    font-size: 1.8rem;
    padding: 3rem 0;
    vertical-align: top;
    border-bottom: 1px solid #ccc;
}
.restaurant-table th {
    text-align: left;
    width: 120px;
    line-height: 1.5;
        font-weight: 900;
}
.restaurant-table td {
    width: calc(100% - 120px);
}
/*  souvenir-------------------------------------------------*/
.souvenir-list{
  display: flex;
  flex-direction: column;
  gap:8rem;
  margin-top:8rem;
}
.souvenir-item{
  display: flex;
  gap:5rem;
}
.souvenir-item.reverse{
  flex-direction: row-reverse;
}
.souvenir-img{
  width:30%;
}
.souvenir-img img{
  width:100%;
}
.souvenir-info{
  width:calc(70% - 5rem);
}
.souvenir-head{
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
}
.souvenir-ttl,
.souvenir-price{
  font-size: 2rem;
  font-weight: 900;
}
/*  about-------------------------------------------------*/
.instructor-head{
  font-size: 2rem;
  font-weight: 900;
  color: #174c6e;
}
.instructor-name{
    font-size: 3.2rem;
  font-weight: 900;
  margin-bottom: 2rem;
  color: #174c6e;
}
.about-sns{
  display: flex;
  gap:1rem;
  margin-top: 3rem;
}
.about-sns .sns-item a {
    width: 50px;
    height: 50px;
}
.about-sns .sns-item a img {
    width: 30px;
}
/*  sp-------------------------------------------------*/
@media screen and (max-width: 767px) {
  body {
    font-size: 1.4rem;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: block;
  }

  /* header --------------------------------------------*/
  .header {
    height: 60px;
  }

  .header_inner {
    height: 60px;
  }

  .header_logo {
    max-width: 120px;
  }

  .nav_list {
    display: none;
  }

  .hamburger {
    position: absolute;
    right: 0;
    top: 0;
    text-align: center;
    display: inline-block;
    width: 60px;
    height: 60px;
    z-index: 2;
  }

  .hamburger span {
    position: absolute;
    transition: .3s;
  }

  .hamburger span:nth-child(1),
  .hamburger span:nth-child(2),
  .hamburger span:nth-child(3) {
    background: #001c38;
    height: 2px;
    right: 18px;
    width: 24px;
  }

  .hamburger span:nth-child(1) {
    top: 22px;
  }

  .hamburger span:nth-child(2) {
    top: 30px;
  }

  .hamburger span:nth-child(3) {
    top: 38px;
  }

  .hamburger.bgactive span:nth-child(1) {
    transform: rotate(35deg);
    width: 25px;
    top: 30px;
  }

  .hamburger.bgactive span:nth-child(2),
  .hamburger.bgactive span:nth-child(3) {
    transform: rotate(-35deg);
    width: 25px;
    top: 30px;
  }

  .nav_sp {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    background: #fff;
    text-align: center;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity .6s ease, visibility .6s ease;
    z-index: 1;
    visibility: hidden;
    overflow-y: scroll;
  }

  .nav-sp-flex {
    padding: 60px 20px 30px 20px;
  }

  .nav_list_sp {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: left;
  }

  .header_link {
    font-size: 1.6rem;
    padding: 2rem 0;
    border-bottom: 1px solid #ccc;
    display: block;
    width: 100%;
  }

  .nav_sp.bgactive {
    opacity: 1;
    visibility: visible;
  }

  /* fv -------------------------------------------------*/
  .fv-info {
    padding: 10rem 0 8rem;
  }

  .fv-head {
    font-size: 2rem;
  }

  .fv-ttl {
    font-size: 5rem;
    margin-bottom: 2rem;
  }

  .fv-txt {
    font-size: 1.4rem;
  }

  /*  top-heading--------------------------------------------------*/
  .top-heading {
    padding: 5rem 0 8rem;
  }

  .top-heading h2 {
    font-size: 3rem;
  }

  .heading-flex {
    flex-direction: column;
    gap: 3rem;
    margin-top: 5rem;
  }

  .heading-item {
    width: 100%;
  }

  .heading-item h3 {
    font-size: 2rem;
  }

  .heading-btn {
    margin-top: 2rem;
  }

  /*  top-about-------------------------------------------------*/
  .top-about h2 {
    font-size: 4rem;
  }

  .top-about p {
    font-size: 1.4rem;
  }

  .top-about-btn {
    margin-top: 3rem;
  }

  /*  top-course-------------------------------------------------*/
  .top-course {
    padding: 8rem 0 5rem;
  }

  .course-flex {
    flex-direction: column;
    gap: 3rem;
  }

  .course-info {
    width: 100%;
  }

  .course-slider {
    width: 100%;
  }

  .course-ttl {
    font-size: 1.8rem;
  }

  /*  top-post-------------------------------------------------*/
  .post-list {
    flex-direction: column;
    gap: 3rem;
  }

  .post-item {
    width: 100%;
  }

  .post-ttl {
    font-size: 1.8rem;
  }

  .post-link {
    font-size: 1.2rem;
  }

  .post-link:before {
    width: 5px;
    height: 5px;
  }

  /*  footer-------------------------------------------------*/
  .footer {
    padding: 3.5rem 0 2rem;
    margin-top: 5rem;
  }

  .footer-flex {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }

  .footer-logo {
    width: 150px;
  }

  .footer-list {
    align-items: center;
    max-height: none;
  }

  /*  page-------------------------------------------------*/
  /*  price-------------------------------------------------*/
  .page-fv {
    height: 200px;
  }

  .price-content {
    margin: 5rem 0;
  }

  .price-ttl {
    font-size: 2.4rem;
    margin-bottom: 3rem;
  }

  .price-left,
  .price-right {
    font-size: 1.4rem;
  }

  .price-right .small {
    font-size: 1.1rem;
  }
  /*  beginner-------------------------------------------------*/
.page {
  margin: 5rem 0;
}

.page-ttl {
  font-size: 2.4rem;
}

.content-ttl {
  font-size: 2rem;
  margin: 5rem 0 1rem;
}
.time-line {
  width: 3px;
  height: calc(100% + 12px);
  left: 70px;
  padding-top: 12px;
}

.time-ball {
  width: 12px;
  height: 12px;
  left: 70px;
}

.schedule-item dl dt {
  font-size: 1.6rem;
}

.schedule-item dl dd {
  margin-left: 100px;
}

.schedule-item dl dd h3 {
  font-size: 1.6rem;
}

.photo-list {
  gap: 2rem;
}

.photo-item {
  width: 100%;
}

.toggle-icon {
  width: 24px;
  height: 24px;
  line-height: 24px;
  font-size: 1.8rem;
}

.faq-f {
  padding: 2.4rem 4.4rem 2.4rem 0;
  gap: 1.6rem;
  font-size: 1.6rem;
}

.faq-a {
  gap: 1.6rem;
  padding-bottom: 2.4rem;
}

.faq-a span {
  font-size: 1.6rem;
}
/*  sightseeing-------------------------------------------------*/
.time-iwt{
  flex-direction: column;
}
.time-img{
  width: 100%;
}
/*  restaurant-------------------------------------------------*/
.menu-item{
  flex-direction: column;
  gap:2rem;
}
.menu-img{
  width: 100%;
}
.menu-info{
  width:100%;
}
.menu-ttl,
.menu-price{
  font-size: 1.8rem;
}
.review-list{
  flex-direction: column;
}
.review-item{
  width: 100%;
}
.restaurant-table th,
.restaurant-table td {
    font-size: 1.4rem;
    padding: 2.4rem 0;
}
.restaurant-table th {
    width: 90px;
}
.restaurant-table td {
    width: calc(100% - 90px);
}
/*  souvenir-------------------------------------------------*/
.souvenir-list{
  gap:5rem;
  margin-top:5rem;
}
.souvenir-item{
  flex-direction: column;
  gap:3rem;
}
.souvenir-item.reverse{
  flex-direction: column;
}
.souvenir-img{
  width:100%;
}
.souvenir-img img{
  width:100%;
}
.souvenir-info{
  width:100%;
}
.souvenir-head{
  flex-direction: column;
  gap:1rem;
}
.souvenir-ttl{
  font-size: 1.8rem;
}
.souvenir-price{
  font-size: 1.4rem;
}
/*  about-------------------------------------------------*/
.instructor-head{
  font-size: 1.8rem;
}
.instructor-name{
    font-size: 2.4rem;
}
}